26648603536 has 45 divisors (see below), whose sum is σ = 53112987921. Its totient is φ = 12952431936.

The previous prime is 26648603519. The next prime is 26648603543. The reversal of 26648603536 is 63530684662.

The square root of 26648603536 is 163244.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23845536400 + 2803067136 = 154420^2 + 52944^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26648603536.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24159561 + ... + 24160663.

Almost surely, 2^26648603536 is an apocalyptic number.

26648603536 is the 163244-th square number.

It is an amenable number.

26648603536 is a deficient number, since it is larger than the sum of its proper divisors (26464384385).

26648603536 is an frugal number, since it uses more digits than its factorization.

26648603536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

Multiplying 26648603536 by its sum of digits (49), we get a square (1305781573264 = 1142708²).

The spelling of 26648603536 in words is "twenty-six billion, six hundred forty-eight million, six hundred three thousand, five hundred thirty-six".